split out ino_t from sys_types header

src/header/bits_ino-t/cbindgen.toml

@@ -0,0 +1,18 @@
+# POSIX header spec: https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_types.h.html
+#
+# This type is split out to prevent importing all of sys/types.h into other headers.
+#
+# POSIX headers that require ino_t:
+# - dirent.h
+# - sys/stat.h
+# - sys/types.h (where it should be defined)
+sys_includes = []
+include_guard = "_RELIBC_BITS_INO_T_H"
+language = "C"
+style = "type"
+no_includes = true
+cpp_compat = true
+[export]
+include = ["ino_t"]
+[enum]
+prefix_with_name = true

src/header/bits_ino-t/mod.rs

@@ -0,0 +1,5 @@
+use crate::platform::types::c_ulonglong;
+
+/// Used for serial numbers.
+#[allow(non_camel_case_types)]
+pub type ino_t = c_ulonglong;

src/header/mod.rs

@@ -13,6 +13,8 @@ pub mod bits_clockid_t;
 pub mod bits_gid_t;
 #[path = "bits_id-t/mod.rs"]
 pub mod bits_id_t;
+#[path = "bits_ino-t/mod.rs"]
+pub mod bits_ino_t;
 pub mod bits_iovec;
 #[path = "bits_locale-t/mod.rs"]
 pub mod bits_locale_t;

src/header/sys_types_internal/cbindgen.toml

@@ -6,6 +6,7 @@ after_includes = """
 #include <bits/clockid-t.h>
 #include <bits/gid-t.h>
 #include <bits/id-t.h>
+#include <bits/ino-t.h>
 #include <bits/mode-t.h>
 #include <bits/off-t.h>
 #include <bits/pid-t.h>
@@ -26,7 +27,6 @@ no_includes = true
 include = [
   "blksize_t",
   "dev_t",
-  "ino_t",
   "reclen_t",
   "nlink_t",
   "useconds_t",

src/header/sys_types_internal/mod.rs

@@ -12,6 +12,7 @@ pub use crate::header::{
     bits_clockid_t::clockid_t,
     bits_gid_t::gid_t,
     bits_id_t::id_t,
+    bits_ino_t::ino_t,
     bits_mode_t::mode_t,
     bits_off_t::off_t,
     bits_pid_t::pid_t,
@@ -29,8 +30,6 @@ use crate::platform::types::{
 pub type blksize_t = c_long;
 /// Used for device IDs.
 pub type dev_t = c_ulonglong;
-/// Used for serial numbers.
-pub type ino_t = c_ulonglong;
 /// Used for directory entry lengths.
 pub type reclen_t = c_ushort;
 /// Used for link counts.